Mappings between dendroids (fans) that (does not) preserve (non)contractibility
J. J. Charatonik formulated in 1991 the following problem: What are all mappings that preserve contractibility (noncontractibility) of dendroids? On the other hand, J. J. Charatonik, W. J. Charatonik, and S. Miklos asked in 1990 the following questions (among others related to contractibility): What...
保存先:
| 出版年: | Revista Integración |
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| 主要な著者: | , , |
| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
Universidad Industrial de Santander
2021
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| 主題: | |
| オンライン･アクセス: | https://www.redalyc.org/articulo.oa?id=327068399001 https://www.redalyc.org/journal/3270/327068399001/ https://www.redalyc.org/journal/3270/327068399001/html/ https://www.redalyc.org/journal/3270/327068399001/327068399001.epub https://www.redalyc.org/journal/3270/327068399001/movil https://doi.org/10.18273/revint.v39n1-2021001 |
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